A MAC (Media Access Control) address is primarily used for identifying and communicating with devices within a local network. It serves as a unique identifier assigned to network interfaces, such as Ethernet cards or Wi-Fi adapters, by manufacturers. MAC addresses are used at the data link layer (Layer 2) of the OSI model to facilitate … Read more
IP addressing refers to the method of assigning unique identifiers to devices on a network using the Internet Protocol (IP). This system allows devices to communicate with each other by providing a way to locate and identify each device within a network. IP addressing involves the use of numerical labels, which are structured to include … Read more
Subnetting is used to divide a larger network into smaller, more manageable subnetworks or subnets. This process helps organize and allocate IP addresses more efficiently, reduces network congestion, and improves security by isolating different segments of a network. Subnetting allows for better utilization of IP address space and enhances the performance of the network by … Read more
A subnet works by dividing a larger network into smaller, more manageable segments. Each subnet operates as a distinct network within the larger network, with a unique range of IP addresses. Devices within the same subnet can communicate directly with each other, while communication between different subnets requires routing. Subnetting involves creating subnet masks to … Read more
Zero Trust and VPN are both approaches to securing network communications but differ significantly in their principles and implementation: Zero Trust focuses on the principle of not trusting any entity or device by default, whether inside or outside the network perimeter. It assumes that threats could originate from both internal and external sources and requires … Read more
Benefits of Zero Trust Network: Zero Trust networks offer several benefits, including enhanced security, improved visibility, and better control over network access. By implementing strict authentication and authorization measures for every user, device, and application attempting to access network resources, Zero Trust reduces the risk of unauthorized access and potential breaches. It promotes a proactive … Read more
Main Goal of Zero Trust: The main goal of Zero Trust is to enhance network security by challenging the traditional security model that assumes trust based on network location or perimeter defenses. Instead of implicitly trusting devices and users inside a defined network perimeter, Zero Trust promotes the concept of “never trust, always verify.” This … Read more
Benefits of TACACS+: TACACS+ (Terminal Access Controller Access-Control System Plus) offers several benefits for managing network security and access control. One key advantage is its centralized authentication, authorization, and accounting (AAA) framework, which allows organizations to consolidate user management and access policies across multiple devices and services. TACACS+ provides robust security features, including encryption of … Read more
RADIUS vs TACACS+: RADIUS (Remote Authentication Dial-In User Service) and TACACS+ (Terminal Access Controller Access-Control System Plus) are both protocols used for network access control and authentication, but they differ in their design and functionalities. RADIUS primarily focuses on centralized authentication and accounting for remote access servers, such as dial-up and VPN servers. It consolidates … Read more
AAA and TACACS: AAA stands for Authentication, Authorization, and Accounting, which are three core functions in network security and access control. TACACS (Terminal Access Controller Access-Control System) is a protocol that falls under the AAA framework. It is used to separate these functions into distinct processes, allowing for centralized management of user access to network … Read more